04-03-2015
Mathematics

Answered

Evaluate the expression when x = 5: 10 I7-xI
(A)-120
(B)20
(C)-20
(D)123

Answer :

04-03-2015

[tex]10|7-x| \hbox{ when } x=5 \\ 10|7-5|=10|2|=10 \times 2=\boxed{20} \Leftarrow \hbox{answer B}[/tex]

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Panoyin Panoyin

04-03-2015

10|7 - x|
10|7 - 5|
10|2|
10(2)
20

B.20

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